Guidelines For Handling Stop Valve - Daikin RXYQ6BRY16 Installation Manual

10.2.4 Branching the refrigerant piping
For installation of the refrigerant branching kit,
•
refer to the installation manual delivered with the kit.
REFNET joint
Mount the REFNET joint so that it branches either
horizontally (within ±30°) or vertically.
Horizontal surface
Vertical
REFNET header
Mount the REFNET header so that it branches
horizontally.
Horizontal surface
Gas side header
Mount the REFNET header so that the branch pipes
are on the underside and branch horizontally.
Horizontal surface
Liquid side header
01_EN_3P748230-1.indd 27
Installation of the multi connection piping kit.
•
Horizontal
1
2
3

10.3 Guidelines for handling stop valve

10.3.1 Cautions on handling the stop valve
Make sure to keep both stop valves open during
•
operation.
The figure below shows the name of each part
•
required in handling the stop valve.
The stop valve is factory closed.
•
1
2
max
A
15
1
B
1
Install the joints horizontally, so that the caution
label (1) attached to the joint comes to the top.
- Do not tilt the joint more than 15° (see view A).
- Do not install the joint vertically (see view B).
Make sure that the total length of the piping
connected to the joint is absolute straight for
more than 500 mm.
Only if a straight field pipe length.
- Gas field pipe length > 120 mm.
- Liquid field pipe length > 420 mm.
Improper installation may lead to malfunction of
the outdoor unit.
1 Service port and service
port cover
2 Stop valve
3 Field piping connection
4 Stop valve cover
3
4
1 2
1 Service port
2 Stop valve cover
3 Hexagon hole
4 Shaft
5 Seal
4 3 5
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